Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147688 | Method and apparatus for defining and selectively repeating unit image cells | — | 2000-11-14 |
| 4493572 | Long-life inked-ribbon cassette | William G. Van Ocker, Ivan Pawlenko, Donald F. Reider, Charles J. Troebs, Stanley C. Crandall | 1985-01-15 |